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High-Precision JK49 Series Digital Display Pressure Sensor from China Suppliers and Factory - Advanced Features & Reliability
Application Industry
Pipeline pressure monitoring
Air leak testing
F.R.L (Filter, Regulator, Lubricator)
Gas storage cylinders
Adsorption verification
Air compressors
Product Parameters
| Parameter Category | Specific Parameter | Specification |
|---|---|---|
| Withstand Pressure | Micro pressure | 20kPa (micro pressure) |
| Positive pressure | 1.5MPa (positive pressure) | |
| Compound pressure | 500kPa (compound pressure) | |
| Rated Pressure Range | Micro pressure | -10～10kPa (micro pressure) |
| Positive pressure | -0.100～1.000MPa (positive pressure) | |
| Compound pressure | -100～100kPa (compound pressure) | |
| Protection Grade | — | IP40 |
| Set Pressure Range | Micro pressure | -10.3～10.3kPa (micro pressure) |
| Positive and negative pressure | -0.103～1.030MPa (positive and negative pressure) | |
| Compound pressure | -103～103kPa (compound pressure) | |
| Display Refresh Rate | — | 5 times/second |
| RS485 Communication Distance | — | Maximum connection distance ≤1200m |
| Ambient Temperature | — | 0～50℃ |
| Color | — | 3 colors (white, red, orange) |
| Load Current | — | ≤200mA |
| Humidity | Action and storage | 35～85% (no water condensation) |
| Internal Pressure Drop | — | ≤1.0V |
| Wire Specification | — | Oil-resistant PVC cable (0.15mm²) |
| Current Consumption | No load | ≤40mA |
| Repeatability Accuracy | — | ±0.3%F.S ±1digit |
| Linearity | — | ±1%F.S |
| Action Indication | — | Orange OUT1 |
| Weight | Without cable | Approximately 28g |
| Applicable Gas | — | Air, non-corrosive, non-flammable (general type); Air with condensed water, non-corrosive, non-flammable (water-resistant type) |
| Minimum Unit Scale Value | Positive pressure type kPa | kPa(0.001), kgf/cm²(0.01), bar(0.01), psi(0.1) |
| Micro and positive-negative pressure type kPa | kPa(0.1), mmHg(1), kgf/cm²(0.001), bar(0.001), psi(0.01), inHg(0.1) | |
| Vibration Resistance | Amplitude, frequency, time | Amplitude 1.5mm, 10Hz～55Hz～10Hz per minute, 2 hours for each of X, Y, Z directions |
| Storage Temperature | Storage | -10℃～60℃ (without water condensation and freezing) |
| Temperature Characteristic | — | ±3%F.S, reference temperature 25℃ (0～50℃ temperature range) |
| Baud Rate | — | 9600bps, 19200bps, 38400bps, 57600bps, 115200bps |
| Insulation Resistance | Between lead and plastic shell | ≥50MΩ (DC 500V) |
| Output Voltage | Rated voltage | 0.6V～5V ±2.5%F.S (rated voltage) |
| Display Accuracy | — | ±1%F.S ±1digit (temperature 25±3℃) |
| Withstand Voltage | Between lead and plastic shell | AC 1000V for 1 minute |
| Impact Resistance | — | 100m/s²(10G), 3 times for each of X, Y, Z directions |
| Output Type | — | Open collector output (NPN or PNP, up to 1 channel output) |
| Interface Diameter | — | R1/8"*M5, NPT1/8", G1/8(BSPP)*M5 |
| Response Time | — | ≤2.5ms (can be set to 25, 100, 250, 500, 1000, 1500ms) |
Design Aesthetics
Frequently Asked Questions
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QWhat types of pressure can this pressure sensor measure?
This sensor supports three pressure types: micro pressure (up to 20kPa), positive pressure (up to 1.5MPa), and compound pressure (up to 500kPa), covering a wide range of industrial applications including pipeline monitoring, air leak testing, and gas storage.
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QWhat communication interfaces does the sensor support?
The sensor supports RS485 communication with a maximum connection distance of ≤1200m. It offers multiple baud rate options: 9600bps, 19200bps, 38400bps, 57600bps, and 115200bps, making it compatible with a variety of industrial control systems.
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QWhat is the response time of this pressure sensor?
The sensor features a minimum response time of ≤2.5ms. Users can also configure the response time to preset values of 25, 100, 250, 500, 1000, or 1500ms depending on the application requirements.
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QWhat gases is this sensor compatible with?
The general type is compatible with air that is non-corrosive and non-flammable. The water-resistant type is designed for air with condensed water, also non-corrosive and non-flammable. It is not suitable for corrosive or flammable gases.
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QWhat output types are available for this sensor?
The sensor provides an open collector output supporting both NPN and PNP configurations, with up to 1 channel output. The output voltage ranges from 0.6V to 5V (±2.5%F.S at rated voltage), suitable for standard industrial control interfaces.
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QWhat are the operating and storage temperature ranges?
The sensor operates within an ambient temperature range of 0～50℃. For storage, it supports -10℃～60℃ without water condensation or freezing. The humidity range for both operation and storage is 35～85% (no water condensation).